Seiko Cal. 5638 - 798

The 5638-798 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-6c8f9ace090a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1982

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